Notes on GPG

Security really matters these
years1. WannaCry gave
us a global warning early this year. Before, Chinese netizens feel
quite safe maybe because of few technology audience… or rather GFW
helps? With the technology’s deeper root in life accompanied by mobile
payment, online shopping, smart stuff and the like, I believe security
issue is critical enough to draw everyone’s attention. Security is the
most inevitable thing even if one may ignore privacy problem for now.

Okay, here is my notes
on GPG. I only
introduce my commonly used options and all the details are
in GnuPG manual.